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Added hamming_distance function

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Andrew Kane
2024-01-23 15:01:11 -08:00
parent c8be3a369b
commit 76c6dbb0a0
6 changed files with 82 additions and 0 deletions
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6
test/sql/functions.sql
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@@ -37,6 +37,12 @@ SELECT l1_distance('[0,0]', '[0,1]');
SELECT l1_distance('[1,2]', '[3]');
SELECT l1_distance('[3e38]', '[-3e38]');
SELECT hamming_distance('\xFF', '\xFF');
SELECT hamming_distance('\xFF', '\xFE');
SELECT hamming_distance('\xFF', '\xFC');
SELECT hamming_distance('\xFF', '\x00');
SELECT hamming_distance('\xFF', '\x0000');
SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]']) v;
SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]', NULL]) v;
SELECT avg(v) FROM unnest(ARRAY[]::vector[]) v;